22020020022 has 128 divisors (see below), whose sum is σ = 59236208640. Its totient is φ = 5270106240.

The previous prime is 22020020021. The next prime is 22020020039. The reversal of 22020020022 is 22002002022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020020021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3714753 + ... + 3720675.

It is an arithmetic number, because the mean of its divisors is an integer number (462782880).

Almost surely, 2^22020020022 is an apocalyptic number.

22020020022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22020020022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29618104320).

22020020022 is an abundant number, since it is smaller than the sum of its proper divisors (37216188618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22020020022 is a wasteful number, since it uses less digits than its factorization.

22020020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6578.

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 22020020022 its reverse (22002002022), we get a palindrome (44022022044).

The spelling of 22020020022 in words is "twenty-two billion, twenty million, twenty thousand, twenty-two".